CN204065877U - Automatic temperature control device - Google Patents

Automatic temperature control device Download PDF

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Publication number
CN204065877U
CN204065877U CN201420541035.1U CN201420541035U CN204065877U CN 204065877 U CN204065877 U CN 204065877U CN 201420541035 U CN201420541035 U CN 201420541035U CN 204065877 U CN204065877 U CN 204065877U
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electrically connected
micro
resistance
circuit
time
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CN201420541035.1U
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邓加慧
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邓加慧
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Abstract

The little automatic temperature control device with being with safety protection function of a kind of electromagnetic radiation.NTC temperature probe (1) is electrically connected with heating limit temperature circuit (4), heating limit temperature circuit (4) respectively with temperature regulator (6), micro-processor interface circuit (9) is electrically connected, NTC overtemperature probe (2) limits circuit (5) with overtemperature prote and is electrically connected, overtemperature prote limits circuit (5) and is electrically connected with micro-processor interface circuit (9), micro-processor interface circuit (9) respectively with power pull switch (7), protection switch (8) is electrically connected, power pull switch (7) is electrically connected with protection switch (8), power pull switch (7) is electrically connected with heater (3), power pull switch (7) is electrically connected with display circuit (11).Use low-voltage DC, can automatic temperature control heating object, temperature-controlled precision is high, and volume is little, and structure is simple, without high frequency electromagnetic radiation, uses safer.

Description

Automatic temperature control device
Technical field
The utility model relates to a kind of temperature control equipment, especially the little automatic temperature control device with being with safety protection function of electromagnetic radiation.
Background technology
At present, the well-known patent No. 2,013,202,944,441 1 kinds of integrating control type flexible electric heating utensils, include control chip, controllable silicon, fuse, heating wire, it is a kind of automatic temperature control heating device, when its work, heating current is by after controllable silicon, higher hamonic wave can be produced, pollute power supply, and have a large amount of electromagnetic radiation out, unfavorable to human body, two is that it directly uses high voltage, people is easily made to get an electric shock, three is adopt fuse to do short circuit safeguard protection, too slow to circuit partial short-circuit fusing reaction, easy generation fire, four when being out of control to thermo-field thoery, there is no overtemperature back-up protection, easy scald people, there is potential safety hazard.
Summary of the invention
Higher hamonic wave can be produced to overcome existing a kind of integrating control type flexible electric heating utensil, pollute power supply, and have a large amount of electromagnetic radiation out, unfavorable to human body, direct use high voltage, people is easily made to get an electric shock, fuse is adopted to do short circuit safeguard protection, to circuit partial short-circuit, blown fuse reaction is too slow, easy generation fire, time out of control to thermo-field thoery, there is no overtemperature back-up protection, easy scald people, there is the deficiency of potential safety hazard, the utility model provides a kind of automatic temperature control device, this automatic temperature control device can not only automatic temperature control heating object, and electromagnetic radiation is few, prevent people from getting an electric shock, cancel blown fuse protection, adopt overtemperature back-up protection safer.
The utility model solves the technical scheme that its technical matters adopts: NTC temperature probe (1) is electrically connected with heating limit temperature circuit (4), heating limit temperature circuit (4) respectively with temperature regulator (6), micro-processor interface circuit (9) is electrically connected, NTC overtemperature probe (2) limits circuit (5) with overtemperature prote and is electrically connected, overtemperature prote limits circuit (5) and is electrically connected with micro-processor interface circuit (9), micro-processor interface circuit (9) respectively with power pull switch (7), protection switch (8) is electrically connected, power pull switch (7) is electrically connected with protection switch (8), power pull switch (7) is electrically connected with heater (3), power pull switch (7) is electrically connected with display circuit (11), decoupling circuit (10) respectively with micro-processor interface circuit (9), protection switch (8), display circuit (11), NTC temperature probe (1), NTC overtemperature probe (2), heater (3), power interface (12) is electrically connected, NTC temperature probe (1) and NTC overtemperature pop one's head in the installation site of (2) near heater (3), in the scope of perception heater (3) surface temperature, NTC temperature probe (1) is made up of NTC thermistor (R2), NTC overtemperature probe (2) is made up of NTC thermistor (R8), heater (3) is made up of line with heating function (R3), heating limit temperature circuit (4) is by resistance (R1), diode (D1), diode (D2), resistance (R5) is formed, the positive pole of diode (D2) is connected with the negative electricity of diode (D1), the positive pole of diode (D1) is electrically connected with one end of resistance (R5), become an electricity series connection, overtemperature prote limits circuit (5) by resistance (R4), diode (D7), diode (D8) is formed, one end of resistance (R4) is connected with the negative electricity of diode (D7), the positive pole of diode (D7) is connected with the negative electricity of diode (D8), temperature regulator (6) is made up of a potentiometer (W1), the sliding end of potentiometer (W1) is electrically connected with a stiff end of potentiometer (W1), power pull switch (7) is by resistance (R6), MOS triode (D3) is formed, one end of resistance (R6) is electrically connected with the Gate pole of MOS triode (D3), protection switch (8) is by resistance (R7), MOS triode (D6) is formed, one end of resistance (R7) is electrically connected with the Gate pole of MOS triode (D6), micro-processor interface circuit (9) is made up of two time-base integrated circuits, decoupling circuit (10) is made up of decoupling capacitance (C1), display circuit (11) is by resistance (R9), resistance (R10), light emitting diode (D4), light emitting diode (D5) is formed, one end of resistance (R10) is electrically connected with the positive pole of light emitting diode (D5), the negative pole of light emitting diode (D5) is electrically connected with the positive pole of light emitting diode (D4), the negative pole of light emitting diode (D4) is electrically connected with one end of resistance (R9), power interface (12) is made up of micro-shape USB seat mouth (M1), one end of NTC thermistor (R2) is electrically connected with the other end of resistance (R5), the other end of resistance (R5) is electrically connected with (TH1) pin of first time-base integrated circuit in micro-processor interface circuit (9), (TR1) pin of first time-base integrated circuit in the negative pole of diode (D2) and micro-processor interface circuit (9), another stiff end electrical connection of potentiometer (W1), one stiff end of potentiometer (W1) is electrically connected with one end of resistance (R1), one end of NTC thermistor (R8) is electrically connected with the positive pole of diode (D8), the positive pole of diode (D8) is electrically connected with (TH2) pin of second time-base integrated circuit in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of second time-base integrated circuit in micro-processor interface circuit (9), the OUT1 pin of first time-base integrated circuit in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R6), (OUT2) pin of second time-base integrated circuit in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R7), the source electrode of MOS triode (D3) is electrically connected with the drain electrode of MOS triode (D6), the drain electrode of MOS triode (D3) is electrically connected with one end of line with heating function (R3), the drain electrode of MOS triode (D3) is connected with the negative electricity of light emitting diode (D5), the source electrode of MOS triode (D3) is electrically connected with the other end of resistance (R9), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), (the V of two time-base integrated circuits ss) pin, the other end of resistance (R4), the other end of resistance (R1) be electrically connected publicly, the other end of decoupling capacitance (C1) and (V of two time-base integrated circuits cC) pin, (R1) pin of first time-base integrated circuit, (R2) pin of second time-base integrated circuit, the other end of resistance (R10), the other end of NTC thermistor (R2), the other end of NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1) positive pole electrical connection, the installation site of NTC thermistor (R2) and NTC thermistor (R8) in can in the scope of perception line with heating function (R3) surface temperature, the distance L≤a of NTC thermistor (R2), NTC thermistor (R8) and line with heating function (R3).After power interface (12) plugs low-voltage dc power supply, this automatic temperature control device switches on power and starts working, when ambient temperature is lower, the output terminal (OUT2) of micro-processor interface circuit (9) second time-base integrated circuits exports high level, protection switch (8) conducting, the output terminal (OUT1) of micro-processor interface circuit (9) first time-base integrated circuits exports high level, power pull switch (7) conducting, heater (3) starts release heat towards periphery, this temperature automatically controlled actuator temperature progressively raises, when temperature is elevated to certain value, output terminal (OUT1) output low level of micro-processor interface circuit (9) first time-base integrated circuits, power pull switch (7) blocks electric current, the temperature of automatic temperature control device starts to reduce, when temperature drops to certain value, the output terminal (OUT1) of micro-processor interface circuit (9) first time-base integrated circuits exports high level, power pull switch (7) conducting, heater (3) release heat towards periphery again, iterative cycles like this, its temperature stabilization is in a specific scope.Regulate temperature regulator (6), automatic temperature control device can be selected to be operated in a suitable temperature range.When the working temperature of automatic temperature control device exceedes warning temperature; output terminal (OUT2) output low level of micro-processor interface circuit (9) second time-base integrated circuits; protection switch (8) blocks electric current; prevent from continuing to heat up; play overtemperature standby safeguard protection effect; because automatic temperature control device work adopts low-voltage DC; heating is also low-voltage DC; therefore externally high frequency electromagnetic radiation is not had; make automatic temperature control device can not only automatic temperature control heating object; and it is few to reach electromagnetic radiation, prevent people from getting an electric shock, have the object that overtemperature back-up protection is safer.
The beneficial effects of the utility model are, can automatic temperature control heating object, and temperature-controlled precision is high, and volume is little, and structure is simple, without high frequency electromagnetic radiation, uses safer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is circuit block diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of automatic temperature control device first embodiment.
Fig. 3 is the circuit theory diagrams of automatic temperature control device second embodiment.
Fig. 4 is the temperature sensing position assumption diagram of Fig. 2, Fig. 3.
1.NTC temperature probe in figure, 2.NTC overtemperature is popped one's head in, 3. heater, limit temperature circuit of 4. warming oneself; 5. overtemperature prote limits circuit, 6. temperature regulator, 7. power pull switch, 8. protection switch; 9. micro-processor interface circuit, 10. decoupling circuit, 11. display circuits, 12. power interfaces.
Embodiment
In FIG, NTC temperature probe (1) is electrically connected with heating limit temperature circuit (4), heating limit temperature circuit (4) respectively with temperature regulator (6), micro-processor interface circuit (9) is electrically connected, NTC overtemperature probe (2) limits circuit (5) with overtemperature prote and is electrically connected, overtemperature prote limits circuit (5) and is electrically connected with micro-processor interface circuit (9), micro-processor interface circuit (9) respectively with power pull switch (7), protection switch (8) is electrically connected, power pull switch (7) is electrically connected with protection switch (8), power pull switch (7) is electrically connected with heater (3), power pull switch (7) is electrically connected with display circuit (11), decoupling circuit (10) respectively with micro-processor interface circuit (9), protection switch (8), display circuit (11), NTC temperature probe (1), NTC overtemperature probe (2), heater (3), power interface (12) is electrically connected, NTC temperature probe (1) and NTC overtemperature pop one's head in the installation site of (2) near heater (3), in the scope of perception heater (3) surface temperature.
Power interface (12) is made up of micro-shape USB seat mouth (M1).
In the diagram, distance L≤a of NTC thermistor (R2), NTC thermistor (R8) and line with heating function (R3), a value preferably gets 8 times of line with heating function (R3) diameter value, makes it in the scope of energy perception line with heating function (R3) surface temperature.
In the embodiment depicted in figure 2, micro-processor interface circuit (9) has the integrated circuit (IC1) that two time-base integrated circuits combine, the other end of resistance (R5) is electrically connected with (TH1) pin of first time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), (TR1) pin of first time-base integrated circuit of the negative pole of diode (D2) and the middle integrated circuit (IC1) of micro-processor interface circuit (9), another stiff end electrical connection of potentiometer (W1), the positive pole of diode (D8) is electrically connected with (TH2) pin of second time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of second time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), in micro-processor interface circuit (9), (OUT1) pin of first time-base integrated circuit of integrated circuit (IC1) is electrically connected with the other end of resistance (R6), in micro-processor interface circuit (9), (OUT2) pin of second time-base integrated circuit of integrated circuit (IC1) is electrically connected with the other end of resistance (R7), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), (the V of two time-base integrated circuits of integrated circuit (IC1) in micro-processor interface circuit (9) ss) pin, the other end of resistance (R4), the other end of resistance (R1) be electrically connected publicly, (the V of two time-base integrated circuits of integrated circuit (IC1) in the other end of decoupling capacitance (C1) and micro-processor interface circuit (9) cC) pin, (R1) pin of first time-base integrated circuit, (R2) pin of second time-base integrated circuit, the other end of resistance (R10), the other end of NTC thermistor (R2), the other end of NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1) positive pole electrical connection.
In an alternative embodiment as shown in fig. 3, micro-processor interface circuit (9) is respectively two independent time-base integrated circuits (IC1), (IC2) form, the other end of resistance (R5) is electrically connected with (TH1) pin of the time-base integrated circuit (IC1) in micro-processor interface circuit (9), the negative pole of diode (D2) and (TR1) pin of time-base integrated circuit (IC1), another stiff end electrical connection of potentiometer (W1), the positive pole of diode (D8) is electrically connected with (TH2) pin of the time-base integrated circuit (IC2) in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of the time-base integrated circuit (IC2) in micro-processor interface circuit (9), (OUT1) pin of time-base integrated circuit (IC1) in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R6), (OUT2) pin of time-base integrated circuit (IC2) in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R7), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), (the V of time-base integrated circuit (IC1) ss) (the V of pin and time-base integrated circuit (IC2) ss) pin, the other end of resistance (R4), the other end of resistance (R1) be electrically connected publicly, the other end of decoupling capacitance (C1) and (V of time-base integrated circuit (IC1) cC) pin, time-base integrated circuit (IC2) (V cC) pin, (R1) pin of time-base integrated circuit (IC1), (R2) pin of time-base integrated circuit (IC2), the other end of resistance (R10), the other end of NTC thermistor (R2), the other end of NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1) positive pole electrical connection.

Claims (5)

1. an automatic temperature control device, control chip, heating wire is electrically connected, it is characterized in that: NTC temperature probe (1) is electrically connected with heating limit temperature circuit (4), heating limit temperature circuit (4) respectively with temperature regulator (6), micro-processor interface circuit (9) is electrically connected, NTC overtemperature probe (2) limits circuit (5) with overtemperature prote and is electrically connected, overtemperature prote limits circuit (5) and is electrically connected with micro-processor interface circuit (9), micro-processor interface circuit (9) respectively with power pull switch (7), protection switch (8) is electrically connected, power pull switch (7) is electrically connected with protection switch (8), power pull switch (7) is electrically connected with heater (3), power pull switch (7) is electrically connected with display circuit (11), decoupling circuit (10) respectively with micro-processor interface circuit (9), protection switch (8), display circuit (11), NTC temperature probe (1), NTC overtemperature probe (2), heater (3), power interface (12) is electrically connected, NTC temperature probe (1) and NTC overtemperature pop one's head in the installation site of (2) near heater (3), in the scope of perception heater (3) surface temperature, NTC temperature probe (1) is made up of NTC thermistor (R2), NTC overtemperature probe (2) is made up of NTC thermistor (R8), heater (3) is made up of line with heating function (R3), heating limit temperature circuit (4) is by resistance (R1), diode (D1), diode (D2), resistance (R5) is formed, the positive pole of diode (D2) is connected with the negative electricity of diode (D1), the positive pole of diode (D1) is electrically connected with one end of resistance (R5), become an electricity series connection, overtemperature prote limits circuit (5) by resistance (R4), diode (D7), diode (D8) is formed, one end of resistance (R4) is connected with the negative electricity of diode (D7), the positive pole of diode (D7) is connected with the negative electricity of diode (D8), temperature regulator (6) is made up of a potentiometer (W1), the sliding end of potentiometer (W1) is electrically connected with a stiff end of potentiometer (W1), power pull switch (7) is by resistance (R6), MOS triode (D3) is formed, one end of resistance (R6) is electrically connected with the Gate pole of MOS triode (D3), protection switch (8) is by resistance (R7), MOS triode (D6) is formed, one end of resistance (R7) is electrically connected with the Gate pole of MOS triode (D6), micro-processor interface circuit (9) is made up of two time-base integrated circuits, decoupling circuit (10) is made up of decoupling capacitance (C1), display circuit (11) is by resistance (R9), resistance (R10), light emitting diode (D4), light emitting diode (D5) is formed, one end of resistance (R10) is electrically connected with the positive pole of light emitting diode (D5), the negative pole of light emitting diode (D5) is electrically connected with the positive pole of light emitting diode (D4), the negative pole of light emitting diode (D4) is electrically connected with one end of resistance (R9), power interface (12) is made up of micro-shape USB seat mouth (M1), one end of NTC thermistor (R2) is electrically connected with the other end of resistance (R5), the other end of resistance (R5) is electrically connected with (TH1) pin of first time-base integrated circuit in micro-processor interface circuit (9), (TR1) pin of first time-base integrated circuit in the negative pole of diode (D2) and micro-processor interface circuit (9), another stiff end electrical connection of potentiometer (W1), one stiff end of potentiometer (W1) is electrically connected with one end of resistance (R1), one end of NTC thermistor (R8) is electrically connected with the positive pole of diode (D8), the positive pole of diode (D8) is electrically connected with (TH2) pin of second time-base integrated circuit in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of second time-base integrated circuit in micro-processor interface circuit (9), the OUT1 pin of first time-base integrated circuit in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R6), (OUT2) pin of second time-base integrated circuit in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R7), the source electrode of MOS triode (D3) is electrically connected with the drain electrode of MOS triode (D6), the drain electrode of MOS triode (D3) is electrically connected with one end of line with heating function (R3), the drain electrode of MOS triode (D3) is connected with the negative electricity of light emitting diode (D5), the source electrode of MOS triode (D3) is electrically connected with the other end of resistance (R9), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), the V of two time-base integrated circuits ssthe other end of pin, resistance (R4), the other end of resistance (R1) be electrically connected publicly, the other end of decoupling capacitance (C1) and the V of two time-base integrated circuits cCthe positive pole electrical connection of the other end of (R2) pin of (R1) pin of pin, first time-base integrated circuit, second time-base integrated circuit, the other end of resistance (R10), NTC thermistor (R2), the other end of NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1).
2. automatic temperature control device according to claim 1, is characterized in that: power interface (12) is made up of micro-shape USB seat mouth (M1).
3. automatic temperature control device according to claim 1, it is characterized in that: NTC thermistor (R2), NTC thermistor (R8) get line with heating function (R3) diameter value 8 times with distance L≤a, a value of line with heating function (R3).
4. automatic temperature control device according to claim 1, it is characterized in that: micro-processor interface circuit (9) has the integrated circuit (IC1) that two time-base integrated circuits combine, the other end of resistance (R5) is electrically connected with (TH1) pin of first time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), (TR1) pin of first time-base integrated circuit of the negative pole of diode (D2) and the middle integrated circuit (IC1) of micro-processor interface circuit (9), another stiff end electrical connection of potentiometer (W1), the positive pole of diode (D8) is electrically connected with (TH2) pin of second time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of second time-base integrated circuit of integrated circuit (IC1) in micro-processor interface circuit (9), in micro-processor interface circuit (9), the OUT1 pin of first time-base integrated circuit of integrated circuit (IC1) is electrically connected with the other end of resistance (R6), in micro-processor interface circuit (9), (OUT2) pin of second time-base integrated circuit of integrated circuit (IC1) is electrically connected with the other end of resistance (R7), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), the V of two time-base integrated circuits of integrated circuit (IC1) in micro-processor interface circuit (9) ssthe other end of pin, resistance (R4), the other end of resistance (R1) be electrically connected publicly, the V of two time-base integrated circuits of integrated circuit (IC1) in the other end of decoupling capacitance (C1) and micro-processor interface circuit (9) cCthe positive pole electrical connection of the other end of (R2) pin of (R1) pin of pin, first time-base integrated circuit, second time-base integrated circuit, the other end of resistance (R10), NTC thermistor (R2), the other end of NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1).
5. automatic temperature control device according to claim 1, it is characterized in that: micro-processor interface circuit (9) is respectively two independent time-base integrated circuits (IC1), (IC2) form, the other end of resistance (R5) is electrically connected with (TH1) pin of the time-base integrated circuit (IC1) in micro-processor interface circuit (9), the negative pole of diode (D2) and (TR1) pin of time-base integrated circuit (IC1), another stiff end electrical connection of potentiometer (W1), the positive pole of diode (D8) is electrically connected with (TH2) pin of the time-base integrated circuit (IC2) in micro-processor interface circuit (9), the negative pole of diode (D7) is electrically connected with (TR2) pin of the time-base integrated circuit (IC2) in micro-processor interface circuit (9), the OUT1 pin of the time-base integrated circuit (IC1) in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R6), (OUT2) pin of time-base integrated circuit (IC2) in micro-processor interface circuit (9) is electrically connected with the other end of resistance (R7), one end of decoupling capacitance (C1), the negative pole of micro-shape USB seat mouth (M1), the source electrode of MOS triode (D6), the V of time-base integrated circuit (IC1) ssthe V of pin and time-base integrated circuit (IC2) ssthe other end of pin, resistance (R4), the other end of resistance (R1) be electrically connected publicly, the other end of decoupling capacitance (C1) and the V of time-base integrated circuit (IC1) cCthe V of pin, time-base integrated circuit (IC2) cCthe positive pole electrical connection of the other end of the other end of (R1) pin of pin, time-base integrated circuit (IC1), (R2) pin of time-base integrated circuit (IC2), resistance (R10), the other end of NTC thermistor (R2), NTC thermistor (R8), the other end of line with heating function (R3), micro-shape USB seat mouth (M1).
CN201420541035.1U 2014-09-21 2014-09-21 Automatic temperature control device Withdrawn - After Issue CN204065877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420541035.1U CN204065877U (en) 2014-09-21 2014-09-21 Automatic temperature control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420541035.1U CN204065877U (en) 2014-09-21 2014-09-21 Automatic temperature control device

Publications (1)

Publication Number Publication Date
CN204065877U true CN204065877U (en) 2014-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420541035.1U Withdrawn - After Issue CN204065877U (en) 2014-09-21 2014-09-21 Automatic temperature control device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105487573A (en) * 2014-09-21 2016-04-13 邓加慧 Automatic thermostat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105487573A (en) * 2014-09-21 2016-04-13 邓加慧 Automatic thermostat
CN105487573B (en) * 2014-09-21 2017-09-22 邓加慧 Automatic temperature control device

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AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20141231

Effective date of abandoning: 20170922